std::regex_constants::error_type

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Defined in header `<regex.h>`

typedef ''implementation defined'' error_type;

static constexpr error_type error_collate;		Th expression contains an invalid collating element name.

static constexpr error_type error_ctype;		The expression contains an invalid character class name.

static constexpr error_type error_escape;		The expression contains an invalid escaped character or a trailing escape.

static constexpr error_type error_backref;		The expression contains an invalid back reference.

static constexpr error_type error_brack;		The expression contains mismatched square brackets ([ and ]).

static constexpr error_type error_paren;		The expression contains mismatched parentheses (( and )).

static constexpr error_type error_brace;		The expression contains mismatched curly braces ({ and }).

static constexpr error_type error_badbrace;		The expression contains an invalid range in a {} expression.

static constexpr error_type error_range;		The expression contains an invalid character range (e.g. [b-a]).

static constexpr error_type error_space;		There was not enough memory to convert the expression into a finite state machine.

static constexpr error_type error_badrepeat;		One of *?+{ was not preceded by a valid regular expression.

static constexpr error_type error_complexity;		The complexity of an attempted match exceeded a predefined level.

static constexpr error_type error_stack;		There was not enough memory to perform a match.

The error_type is a type that describes errors that may occur during regular expression parsing.


regex_error	(class)